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Increased intakes of vitamin K2, but not vitamin K1, may decrease the risk of coronary heart disease in postmenopausal women, says a new study.\nFor every 10 microgram increase in the amount of vitamin K2 consumed, researchers from the Netherlands report a 9 per cent reduction in the risk of developing coronary heart disease (CHD).

Vitamin D is a group of fat-soluble prohormones, the two major forms of which are vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol).[1] The term vitamin D also refers to metabolites and other analogues of these substances. Vitamin D3 is produced in skin exposed to sunlight, specifically ultraviolet B radiation.\nVitamin D plays an important role in the maintenance of organ systems

This blend of vitamin C (as sodium ascorbate) with R-lipoic acid (as sodium R-lipoate) simultaneously supports the body's antioxidant status while supporting an endogenous production of glutathione.

Enutritionguide offers simple entrance to vetted food and nutrition facts. It serves as a gateway to trustworthy facts on nutrition, healthy food intake, physical activity, and food wellbeing for consumers.

Are there any side effects from the consumption of vitamin C supplement much more than the recommended dosage?

Before taking supplements other than a standard vitamins and minerals supplement, consult your doctor or nutritionist which has been registered

Are vitamins really necessary for children? It is estimated that one third of children in the United States do take some form of nutritional supplementation. Anyone who has children and has sat down at the dinner table with them know that they can be picky eaters.

Your cells use vitamin D to directly regulate your genes, making it one of the most powerful compounds in human health.

Food contains only minute quantities of the substances called vitamins,but they are vital for good health.For example,if you eat a diet of meat,bread,sugar and fat you may become ill with a disease called scurvy.This is caused by a deficiency in vitamin C,which is found in fruit and vegetables.

Why "Vitamin D" is not a hormone, and not a synonym for 1,25-dihydroxy-vitamin D, its analogs or deltanoids. Vieth R. J Steroid Biochem Mol Biol. 2004 May;89-90(1-5):571-3. PMID: 15225841 doi:10.1016/j.jsbmb.2004.03.037

Taking a combination of vitamins B6 and B12 and folic acid appears to decrease the risk of age-related macular degeneration in women, according to a report in the February 23 issue of Archives of Internal Medicine, one of the JAMA/Archives journals. Age-related macular degeneration (AMD) is a leading cause of vision loss in older Americans, according to background information in the article. Treatment options exist for those with severe cases of the disease, but the only known prevention method is to avoid smoking. Recent studies have drawn a connection between AMD and blood levels of homocysteine, an amino acid. High levels of homocysteine are associated with dysfunction of the blood vessel lining, whereas treatment with vitamin B6, vitamin B12 and folic acid appears to reduce homocysteine levels and may reverse this blood vessel dysfunction.

Dietary supplementation with fermented soybeans suppresses intimal thickening. Suzuki Y, Kondo K, Ichise H, Tsukamoto Y, Urano T, Umemura K. Nutrition. 2003 Mar;19(3):261-4. PMID: 12620531

Promotion of bone formation by fermented soybean (Natto) intake in premenopausal women.\nKatsuyama H, Ideguchi S, Fukunaga M, Fukunaga T, Saijoh K, Sunami S.\nJ Nutr Sci Vitaminol (Tokyo). 2004 Apr;50(2):114-20.\nPMID: 15242015

Vitamin K in the treatment and prevention of osteoporosis and arterial calcification.\nAdams J, Pepping J.\nAm J Health Syst Pharm. 2005 Aug 1;62(15):1574-81. Review.\nPMID: 16030366

Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease: the Rotterdam Study.\nGeleijnse JM, Vermeer C, Grobbee DE, Schurgers LJ, Knapen MH, van der Meer IM, Hofman A, Witteman JC.\nJ Nutr. 2004 Nov;134(11):3100-5.\nPMID: 15514282

Dietary intake of vitamin K and risk of prostate cancer in the Heidelberg cohort of the European Prospective Investigation into Cancer and Nutrition (EPIC-Heidelberg).\nNimptsch K, Rohrmann S, Linseisen J.\nAm J Clin Nutr. 2008 Apr;87(4):985-92.\nPMID: 18400723

LYSAKER, Norway, April 11, 2008-An increased intake of vitamin K2 may reduce the risk of prostate cancer by 35 per cent, suggest results from the European Prospective Investigation into Cancer and Nutrition (EPIC). The findings, based on dietary intake from 11,319 men taking part in the EPIC Heidelberg cohort, are published in this month's issue of the American Journal of Clinical Nutrition.

Mechanisms underlying the biphasic effect of vitamin K1 (phylloquinone) on arterial blood pressure.\nTirapelli CR, Resstel LB, de Oliveira AM, Corrêa FM.\nJ Pharm Pharmacol. 2008 Jul;60(7):889-93.\nPMID: 18549675 \nDOI: 10.1211/jpp.60.7.0010\n

Does nutritional intake differ between children with autism spectrum disorders and children with typical development? Herndon AC, Diguiseppi C, Johnson SL, Leiferman J, Reynolds A. J Autism Dev Disord. 2009 Feb;39(2):212-22. Epub 2008 Jul 4. PMID: 18600441 DOI: 10.1007/s10803-008-0606-2

Vitamin K is a fat-soluble vitamin. The "K" is derived from the German word "koagulation." Coagulation refers to the process of blood clot formation. Vitamin K is essential for the functioning of several proteins involved in blood clotting (1). There are two naturally occurring forms of vitamin K